Research ArticleOpen accessIn the abstractEvaluation of Timber Extraction Machines in TurkeyNecmettin Senturk, Tolga OzturkIn forestry, like every kind of production, production works require a productive power. This productive power can be provided by both human power or animal and machines which are used by human beings. The production of wood raw material are formed various stages that continues from the productive place to market center. These work stages depend on each other like … …American Journal of Environmental Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 6,656 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Geosta Addition on Cement-stabilised Chicoco Mud of the Niger DeltaOlujide OmotoshoChicoco is a very soft and extremely compressible organic marine mud found extensively and to considerable depths within the saline tidal flat or mangrove swamp of the Niger delta in southern Nigeria. Natural chicoco is highly undesirable, barely able to support a human of average weight but air-dried chicoco has been used successfully by the indigeneous people for shore protection, … …American Journal of Environmental Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 7,587 accessesView PDFCite
Research ArticleOpen accessIn the abstractCorrelation between Tissue and Released VEGF Levels in Urine of Bladder Cancer PatientsMenha Swellam, Abdulla A.A. El-AalPurpose. Angiogenesis is a complex multistep process essential for tumor growth. Vascular endothelial growth factor (VEGF) is a potent endothelial cell mitogen and vascular permeability-inducing agent. The aim of this study was to analyze whether tissue and urinary VEGF levels of bladder cancer patients are correlated and study their correlation with classical clinicopathological parameters and bilharizial bladder cancer patients. The … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 1 · 31 Mar 2005 · 6,644 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Successful Industrial Academic Cooperation, Development of Closed-cell Metallic FoamsSheng-Chung Tzeng, Chu-Wei Lin, Wei-Ping MaThis investigation proposes a successful case of industrial-academic cooperation between the Chienkuo Technology University and J. King Aluminum Inc. This study was proposed by the rotating machinery and heat transfer laboratory. They studied the optimal heat transfer and structural strength of closed-cell aluminum porous material. The cooperation involved the exchange of technical skills; the determination of policies and methods for … …American Journal of Applied Sciences, Vol. 2, Issue 1 · 31 Jan 2005 · 6,892 accessesView PDFCite
Research ArticleOpen accessIn the abstractWork Performance of MB Trac 900 Tractor on Mountains Terrain in TurkeyTolga Ozturk, Murat DemirThe forestry works mainly involves such various stages as growing, protection, production, wood harvesting, marketing and utilization of forest products. Wood harvesting is performed by completion of cutting, extraction and transporting stages. The most obvious feature of wood harvesting is that the operations are done under various weather conditions open in the field. The measurements and observations were made on … …American Journal of Applied Sciences, Vol. 2, Issue 1 · 31 Jan 2005 · 7,317 accessesView PDFCite
Research ArticleOpen accessIn the abstractSimulation of Voltage Stability and Alleviation Through Knowledge Based SystemA. Arunagiri, B. VenkateshModern power systems are large sized and rapidly growing. They require constant attention to monitor their performance. Attention is also required to ensure that the voltage stability margin of the power system is above a desired level. In order to achieve the objective, this study proposes a knowledge-based system. It computes using simple Fast De-Coupled Load Flow (FDLF), the state … …American Journal of Applied Sciences, Vol. 1, Issue 4 · 31 Dec 2004 · 6,820 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Socioeconomic and Demographic Factors on Contraceptive Use and Induced Abortion in TurkeyOzlem Alpu, Gunseli KurtThe aim of the study was to estimate the parameters of the heteroscedastic bivariate Probit model established for the induced abortion and the contraceptive use by using socioeconomic and demographic factors and their effects by eliminating the observed heteroscedasticity. Using a heteroscedastic bivariate Probit model and Turkish Demographic and Health Survey (1998) data on married women aged 15 through 49 … …American Journal of Applied Sciences, Vol. 1, Issue 4 · 31 Dec 2004 · 6,721 accessesView PDFCite
Research ArticleOpen accessIn the abstractKey Success Factors of 3rd Generation Mobile Network Services for M-Commerce in MalaysiaSaravanan MuthaiyahWhile there has been a great deal of excitement in view of M-commerce, very little is actually known about conditions and critical success factors for successful introduction of the 3rd generation mobile network services here in Malaysia. This study investigates the factors for successful diffusion of 3G network services and their role in advancing an interactive marketplace. 3G which simply … …American Journal of Applied Sciences, Vol. 1, Issue 4 · 31 Dec 2004 · 6,877 accessesView PDFCite
Research ArticleOpen accessIn the abstractExergoeconomic Analysis of a Refrigeration CycleDurriye Bilge, Galip TemirThe exergoeconomic theory is applied to a two stage vapour compression refrigeration cycle. An exergy-aided cost analysis, taking into account pressure drops and heat gain/loss for all of the components in the refrigeration system as well as the pipe connections, has been made. Exergoeconomic factors, showing whether the monetary expenditures mostly originate from capital investment and Operating and Maintenance (O&M) … …American Journal of Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2004 · 7,149 accessesView PDFCite